168293226797 has 2 divisors, whose sum is σ = 168293226798. Its totient is φ = 168293226796.

The previous prime is 168293226757. The next prime is 168293226799. The reversal of 168293226797 is 797622392861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166354673956 + 1938552841 = 407866^2 + 44029^2 .

It is a cyclic number.

It is not a de Polignac number, because 168293226797 - 2¹² = 168293222701 is a prime.

It is a super-2 number, since 2×168293226797² (a number of 23 digits) contains 22 as substring.

Together with 168293226799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168293226799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84146613398 + 84146613399.

It is an arithmetic number, because the mean of its divisors is an integer number (84146613399).

Almost surely, 2^168293226797 is an apocalyptic number.

It is an amenable number.

168293226797 is a deficient number, since it is larger than the sum of its proper divisors (1).

168293226797 is an equidigital number, since it uses as much as digits as its factorization.

168293226797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 62.

The spelling of 168293226797 in words is "one hundred sixty-eight billion, two hundred ninety-three million, two hundred twenty-six thousand, seven hundred ninety-seven".